.223 Rem | 5.56 NATO

Heckler and Koch (HK USA)

Heckler & Koch MR556 A4 5.56 NATO Rifle with Gray Cerakote Finish

Heckler and Koch (HK USA)

Heckler & Koch MR556 A4 5.56 NATO Rifle with Collapsible Stock 81001033

Heckler and Koch (HK USA)

Heckler and Koch MR556 A4 5.56 NATO Rifle with Collapsible Stock and Gray Cerakote Finish

Heckler and Koch (HK USA)

Heckler & Koch MR556 A4 5.56 NATO Rifle with Collapsible Stock 81000827

Heckler and Koch (HK USA)

Heckler & Koch MR556 A4 5.56 NATO Rifle with Collapsible Stock

Sig Sauer

Sig Sauer RMCX556N16BIR MCX Spear LT 5.56 NATO Rifle with 16-Inch Barrel and Folding Stock

Q

Q LLC Mini Fix 5.56 NATO 16-inch Tapered Barrel Rifle with Folding Stock and Cherry Bomb Muzzle Brake

LWRC

LWRCI IC-MKII 5.56 NATO Rifle with 14.7-inch Spiral Fluted Barrel and Ambidextrous Controls

LWRC

LWRCI IC-MKII 5.56 NATO Rifle with 16.1-inch Spiral Fluted Barrel

LWRC

LWRCI IC-MKII 5.56 NATO Rifle with 14.7-inch Spiral Fluted Barrel

LWRC

LWRC ICMKIIR5CK16 5.56 NATO AR-15 Rifle with 16.1-inch Spiral Fluted Barrel

LWRC

LWRCI IC-MKII 5.56 NATO Rifle with 14.7-inch Spiral Fluted Barrel and Ambidextrous Design